Huawei Watch 3 Battery Replacement

Written By: Tobias Isakeit
  • Comments: 4
Huawei Watch 3 Battery Replacement

Difficulty

Moderate

Steps

14

Time Required

30 - 45 minutes

Introduction

Use this guide to replace a worn-out or dead battery in your Huawei Watch 3.

If your battery is swollen, take appropriate precautions. For your safety, discharge your battery below 25% before disassembling your device. This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair.

You may need replacement adhesive to reattach components when reassembling the device.

  1. User your fingernail to pull the small metal pin on each wrist band towards the inside. This unlocks the wrist bands from the body of the watch.

    • User your fingernail to pull the small metal pin on each wrist band towards the inside. This unlocks the wrist bands from the body of the watch.

    • Remove the wrist bands.

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    • Use a Torx T3 screwdriver to remove the four 4 mm-long screws on the back of the Huawei Watch 3.

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    • Locate the small notch at the top of the back cover.

    • Use a Jimmy to pry open the back cover by twisting it.

    • Using a sharp metal tool might cause cosmetic damage to the watch case. Covering the tool with a nitril glove can minimize the damage.

    • Don’t remove the back cover just yet. It is still connected to the motherboard with a flex cable.

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    • Insert the tip of an opening pick between the back cover and the case.

    • Slide the opening pick around the back cover to loosen the gasket from the back cover.

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    • There is a ribbon cable running from the back cover to the motherboard.

    • Use an opening pick or your fingers to carefully lift the back cover open.

    • Flip the back cover open away from the crown.

    • You can prop up the back cover to minimize the stress on the ribbon cable.

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    • Use a Phillips screwdriver to remove the 2.9 mm-long screw from the battery bracket.

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    • User a pair of tweezers to lift the top of the battery bracket free from its screw socket.

    • Unhook the opposite side of the bracket and remove it.

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    • Use the tip of a spudger to pry up and disconnect the battery connector.

    • The battery connector is the smallest of the three connectors.

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    • Use a Phillips screwdriver to remove the 2.9 mm-long screw from the sensor bracket.

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    • User a pair of tweezers to move the top of the sensor bracket free from a small latch near the case by rotating in inwards.

    • Unhook the opposite side of the bracket and remove it.

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    • Use the tip of a spudger to pry up and disconnect the sensor connector.

    • Remove the back cover.

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    • Use the tip of a spudger to disconnect the home button cable.

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    • Insert the tip of an opening pick between the battery and the plastic frame opposite to the cables.

    • Use the opening pick to lift the battery up.

    • The battery is held down by mild adhesive.

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    • Grab the battery with your fingers and remove it.

    • For reassembly you may need to apply some adhesive to the new battery if it does not come equipped with it.

Conclusion

If possible, turn on your device and test your repair before installing new adhesive and resealing.

Secure the new battery with pre-cut adhesive or double-sided adhesive tape. In order to position it correctly, apply the new adhesive into the device at the places where the old adhesive was located, not directly onto the battery. Press the new battery firmly into place.

To reassemble your device, follow these instructions in reverse order. Apply new adhesive where necessary after cleaning the relevant areas with isopropyl alcohol (>90%).

For optimal performance, calibrate your newly installed battery: Charge it to 100% and keep charging it for at least 2 more hours. Then use your device until it shuts off due to low battery. Finally, charge it uninterrupted to 100%.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.

Author

Tobias Isakeit

Member since: 31/03/14

122448 Reputation

4 comments

do you know where can i find the back cover for huawei gt3 pro?

Drako Outsgard -

I want to now //

Hampus Akvist -

Beste Tobias ik heb een watch 3 waarvan de batterij sneller leegloopt, inmiddels werken de sensors niet meer, dus nieuwe batterij besteld met een toolkit, dat de sensors niet meer werken hoop ik dat door dikker wordende defecte batterij de sensorkabeltje is los gaan zitten, dus duim met me mee dat batterijvervanging de oplossing is en dat het horloge dat in augustus 3 jaar wordt weer leven in wordt geblazen, ik durf zekf vervangen wel aan, prijsopgave Eur 329,00 voor Mediamarkt servicecentrum die motherboard gemujk wil vervangen wegens risico uitnemen batterij

Peter Schmeitz -

You can do it, Peter–I believe in you.

As long as you are careful with the short cables when opening. Those brackets inside have nifty little hooks, look closely at the images and read the text, this way you’ll be safe.

Keep my fingers crossed for you :)

Tobias Isakeit -